SV-iS7 User Manual - Inverter Drive Supermarket

Chapter 12 Checking and Troubleshooting
12.1.2 Alarm functions
12-3
Over Load
Under Load
Inv Over Load
Type Description
Lost Command
Fan Warning
DB Warn %ED
Enc Conn Check
Enc Dir Check
Lost Keypad
An alarm signal is released in case of overload to the motor. Operation resumes if you set PRT-17 at 1. If
signals are necessary for the output contact point, No. 4 overload is selected among the functions of
OUT31~33.
Set PRT-25 at 1 if an alarm is necessary for an underload situation. As the output signal, No. 6 Under Load
is selected among the functions of OUT31~33.
An alarm is released if time equal to 60% of the level at which the inverter IOLT functions is accumulated.
As the output signal, No. 5 IOL is selected among the functions of OUT31~33.
An alarm signal can be released as well when PRT-12 Lost Cmd Mode is 0. The alarm is released in a
certain condition between PRT13~15. As the output signal, No. 12 Lost Command is selected among the
functions of OUT31~33.
An alarm is released if a problem is detected with the cooling fan with PRT-79 FAN Trip Mode set at 1. As
the output signal, No.8 Fan Warning is selected among the functions of OUT31~33.
An alarm is released if the DB resistance consumption rate is above the prescribed degree. The detection
level is set at PRT-66.
An alarm is signified if No. 3 Enc Test is selected from BAS-20 Auto Tuning and no signal is input during the
encoder test. Signals are released if ENC Tune is set among the functions of OUT31~33.
An alarm is signified if No. 3 Enc Test is selected from BAS-20 Auto Tuning and the setting is wrongly
changed between encoder phase A and B during the encoder test or the rotation direction is reverse.
Signals are released if ENC Dir is set among the functions of OUT31~33.
An alarm is signified if the operating command is keypad or any problem is detected with the
communication between the keypad and the main body of the inverter in Keypad JOG Mode with PRT-11
Lost KPD Mode set 0. As the output signal, No. 29 Lost Keypad is selected among the functions of
OUT31~33.